Function CatCacheRemoveCList

src/backend/utils/cache/catcache.c:499–531

* CatCacheRemoveCList * * Unlink and delete the given cache list entry * * NB: any dead member entries that become unreferenced are deleted too. */

 * NB: any dead member entries that become unreferenced are deleted too.
 */
static void
CatCacheRemoveCList(CatCache *cache, CatCList *cl)
{
	int			i;

	Assert(cl->refcount == 0);
	Assert(cl->my_cache == cache);

	/* delink from member tuples */
	for (i = cl->n_members; --i >= 0;)
	{
		CatCTup    *ct = cl->members[i];

		Assert(ct->c_list == cl);
		ct->c_list = NULL;
		/* if the member is dead and now has no references, remove it */
		if (
#ifndef CATCACHE_FORCE_RELEASE
			ct->dead &&
#endif
			ct->refcount == 0)
			CatCacheRemoveCTup(cache, ct);
	}

	/* delink from linked list */
	dlist_delete(&cl->cache_elem);

	/* free associated column data */
	CatCacheFreeKeys(cache->cc_tupdesc, cl->nkeys,
					 cache->cc_keyno, cl->keys);

	pfree(cl);
}


/*